Make KeyValueConfig mandatory in the pacer.
This CL also removes dependency on the legacy field trial methods.
Bug: webrtc:11926
Change-Id: I53feeee86b92878cf0f2b8ebdce3d101f9e04014
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255381
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36205}
diff --git a/call/rtp_transport_controller_send.cc b/call/rtp_transport_controller_send.cc
index f1a6201..569ba9d 100644
--- a/call/rtp_transport_controller_send.cc
+++ b/call/rtp_transport_controller_send.cc
@@ -59,14 +59,12 @@
contraints.start_bitrate_bps, clock);
}
-bool IsEnabled(const WebRtcKeyValueConfig* trials, absl::string_view key) {
- RTC_DCHECK(trials != nullptr);
- return absl::StartsWith(trials->Lookup(key), "Enabled");
+bool IsEnabled(const WebRtcKeyValueConfig& trials, absl::string_view key) {
+ return absl::StartsWith(trials.Lookup(key), "Enabled");
}
-bool IsDisabled(const WebRtcKeyValueConfig* trials, absl::string_view key) {
- RTC_DCHECK(trials != nullptr);
- return absl::StartsWith(trials->Lookup(key), "Disabled");
+bool IsDisabled(const WebRtcKeyValueConfig& trials, absl::string_view key) {
+ return absl::StartsWith(trials.Lookup(key), "Disabled");
}
bool IsRelayed(const rtc::NetworkRoute& route) {
@@ -76,12 +74,12 @@
} // namespace
RtpTransportControllerSend::PacerSettings::PacerSettings(
- const WebRtcKeyValueConfig* trials)
+ const WebRtcKeyValueConfig& trials)
: tq_disabled("Disabled"),
holdback_window("holdback_window", PacingController::kMinSleepTime),
holdback_packets("holdback_packets", -1) {
ParseFieldTrial({&tq_disabled, &holdback_window, &holdback_packets},
- trials->Lookup("WebRTC-TaskQueuePacer"));
+ trials.Lookup("WebRTC-TaskQueuePacer"));
}
RtpTransportControllerSend::RtpTransportControllerSend(
@@ -92,7 +90,7 @@
const BitrateConstraints& bitrate_config,
std::unique_ptr<ProcessThread> process_thread,
TaskQueueFactory* task_queue_factory,
- const WebRtcKeyValueConfig* trials)
+ const WebRtcKeyValueConfig& trials)
: clock_(clock),
event_log_(event_log),
bitrate_configurator_(bitrate_config),
@@ -135,18 +133,18 @@
task_queue_(task_queue_factory->CreateTaskQueue(
"rtp_send_controller",
TaskQueueFactory::Priority::NORMAL)),
- field_trials_(*trials) {
+ field_trials_(trials) {
ParseFieldTrial({&relay_bandwidth_cap_},
- trials->Lookup("WebRTC-Bwe-NetworkRouteConstraints"));
+ trials.Lookup("WebRTC-Bwe-NetworkRouteConstraints"));
initial_config_.constraints = ConvertConstraints(bitrate_config, clock_);
initial_config_.event_log = event_log;
- initial_config_.key_value_config = trials;
+ initial_config_.key_value_config = &trials;
RTC_DCHECK(bitrate_config.start_bitrate_bps > 0);
pacer()->SetPacingRates(
DataRate::BitsPerSec(bitrate_config.start_bitrate_bps), DataRate::Zero());
- if (absl::StartsWith(trials->Lookup("WebRTC-LazyPacerStart"), "Disabled")) {
+ if (absl::StartsWith(trials.Lookup("WebRTC-LazyPacerStart"), "Disabled")) {
EnsureStarted();
}
}
diff --git a/call/rtp_transport_controller_send.h b/call/rtp_transport_controller_send.h
index e45ab21..471ee7f 100644
--- a/call/rtp_transport_controller_send.h
+++ b/call/rtp_transport_controller_send.h
@@ -59,7 +59,7 @@
const BitrateConstraints& bitrate_config,
std::unique_ptr<ProcessThread> process_thread,
TaskQueueFactory* task_queue_factory,
- const WebRtcKeyValueConfig* trials);
+ const WebRtcKeyValueConfig& trials);
~RtpTransportControllerSend() override;
RtpTransportControllerSend(const RtpTransportControllerSend&) = delete;
@@ -132,7 +132,7 @@
private:
struct PacerSettings {
- explicit PacerSettings(const WebRtcKeyValueConfig* trials);
+ explicit PacerSettings(const WebRtcKeyValueConfig& trials);
bool use_task_queue_pacer() const { return !tq_disabled.Get(); }
diff --git a/call/rtp_transport_controller_send_factory.h b/call/rtp_transport_controller_send_factory.h
index a857ca7..bda0be0 100644
--- a/call/rtp_transport_controller_send_factory.h
+++ b/call/rtp_transport_controller_send_factory.h
@@ -25,10 +25,11 @@
const RtpTransportConfig& config,
Clock* clock,
std::unique_ptr<ProcessThread> process_thread) override {
+ RTC_CHECK(config.trials);
return std::make_unique<RtpTransportControllerSend>(
clock, config.event_log, config.network_state_predictor_factory,
config.network_controller_factory, config.bitrate_config,
- std::move(process_thread), config.task_queue_factory, config.trials);
+ std::move(process_thread), config.task_queue_factory, *config.trials);
}
virtual ~RtpTransportControllerSendFactory() {}
diff --git a/call/rtp_video_sender_unittest.cc b/call/rtp_video_sender_unittest.cc
index 7c7d005..7962ce2 100644
--- a/call/rtp_video_sender_unittest.cc
+++ b/call/rtp_video_sender_unittest.cc
@@ -135,7 +135,7 @@
bitrate_config_,
time_controller_.CreateProcessThread("PacerThread"),
time_controller_.GetTaskQueueFactory(),
- field_trials ? field_trials : &field_trials_),
+ field_trials ? *field_trials : field_trials_),
stats_proxy_(time_controller_.GetClock(),
config_,
VideoEncoderConfig::ContentType::kRealtimeVideo,
diff --git a/modules/pacing/BUILD.gn b/modules/pacing/BUILD.gn
index 013c2de..4064c12 100644
--- a/modules/pacing/BUILD.gn
+++ b/modules/pacing/BUILD.gn
@@ -102,9 +102,8 @@
"../../rtc_base:rtc_base_tests_utils",
"../../rtc_base/experiments:alr_experiment",
"../../system_wrappers",
- "../../system_wrappers:field_trial",
"../../test:explicit_key_value_config",
- "../../test:field_trial",
+ "../../test:scoped_key_value_config",
"../../test:test_support",
"../../test/time_controller:time_controller",
"../rtp_rtcp",
diff --git a/modules/pacing/paced_sender.cc b/modules/pacing/paced_sender.cc
index 2b2d064..5eed6c2 100644
--- a/modules/pacing/paced_sender.cc
+++ b/modules/pacing/paced_sender.cc
@@ -32,12 +32,11 @@
PacedSender::PacedSender(Clock* clock,
PacketRouter* packet_router,
RtcEventLog* event_log,
- const WebRtcKeyValueConfig* field_trials,
+ const WebRtcKeyValueConfig& field_trials,
ProcessThread* process_thread)
: process_mode_(
- (field_trials != nullptr &&
- absl::StartsWith(field_trials->Lookup("WebRTC-Pacer-DynamicProcess"),
- "Enabled"))
+ absl::StartsWith(field_trials.Lookup("WebRTC-Pacer-DynamicProcess"),
+ "Enabled")
? PacingController::ProcessMode::kDynamic
: PacingController::ProcessMode::kPeriodic),
pacing_controller_(clock,
diff --git a/modules/pacing/paced_sender.h b/modules/pacing/paced_sender.h
index 4a53e0f..88fd796 100644
--- a/modules/pacing/paced_sender.h
+++ b/modules/pacing/paced_sender.h
@@ -58,7 +58,7 @@
PacedSender(Clock* clock,
PacketRouter* packet_router,
RtcEventLog* event_log,
- const WebRtcKeyValueConfig* field_trials = nullptr,
+ const WebRtcKeyValueConfig& field_trials,
ProcessThread* process_thread = nullptr);
~PacedSender() override;
diff --git a/modules/pacing/paced_sender_unittest.cc b/modules/pacing/paced_sender_unittest.cc
index 7abd532..27f3737 100644
--- a/modules/pacing/paced_sender_unittest.cc
+++ b/modules/pacing/paced_sender_unittest.cc
@@ -19,7 +19,6 @@
#include "modules/pacing/packet_router.h"
#include "modules/utility/include/mock/mock_process_thread.h"
#include "system_wrappers/include/clock.h"
-#include "test/field_trial.h"
#include "test/gmock.h"
#include "test/gtest.h"
@@ -80,7 +79,7 @@
.WillOnce(SaveArg<0>(&paced_module_));
pacer_ = std::make_unique<PacedSender>(&clock_, &callback_, nullptr,
- &trials_, &process_thread_);
+ trials_, &process_thread_);
EXPECT_CALL(process_thread_, WakeUp).WillRepeatedly([&](Module* module) {
clock_.AdvanceTimeMilliseconds(module->TimeUntilNextProcess());
});
diff --git a/modules/pacing/pacing_controller.cc b/modules/pacing/pacing_controller.cc
index 9215462..9bfe85c 100644
--- a/modules/pacing/pacing_controller.cc
+++ b/modules/pacing/pacing_controller.cc
@@ -98,22 +98,20 @@
PacingController::PacingController(Clock* clock,
PacketSender* packet_sender,
RtcEventLog* event_log,
- const WebRtcKeyValueConfig* field_trials,
+ const WebRtcKeyValueConfig& field_trials,
ProcessMode mode)
: mode_(mode),
clock_(clock),
packet_sender_(packet_sender),
- fallback_field_trials_(
- !field_trials ? std::make_unique<FieldTrialBasedConfig>() : nullptr),
- field_trials_(field_trials ? field_trials : fallback_field_trials_.get()),
+ field_trials_(field_trials),
drain_large_queues_(
- !IsDisabled(*field_trials_, "WebRTC-Pacer-DrainQueue")),
+ !IsDisabled(field_trials_, "WebRTC-Pacer-DrainQueue")),
send_padding_if_silent_(
- IsEnabled(*field_trials_, "WebRTC-Pacer-PadInSilence")),
- pace_audio_(IsEnabled(*field_trials_, "WebRTC-Pacer-BlockAudio")),
+ IsEnabled(field_trials_, "WebRTC-Pacer-PadInSilence")),
+ pace_audio_(IsEnabled(field_trials_, "WebRTC-Pacer-BlockAudio")),
ignore_transport_overhead_(
- IsEnabled(*field_trials_, "WebRTC-Pacer-IgnoreTransportOverhead")),
- padding_target_duration_(GetDynamicPaddingTarget(*field_trials_)),
+ IsEnabled(field_trials_, "WebRTC-Pacer-IgnoreTransportOverhead")),
+ padding_target_duration_(GetDynamicPaddingTarget(field_trials_)),
min_packet_limit_(kDefaultMinPacketLimit),
transport_overhead_per_packet_(DataSize::Zero()),
last_timestamp_(clock_->CurrentTime()),
@@ -124,12 +122,12 @@
padding_debt_(DataSize::Zero()),
media_rate_(DataRate::Zero()),
padding_rate_(DataRate::Zero()),
- prober_(*field_trials_),
+ prober_(field_trials_),
probing_send_failure_(false),
pacing_bitrate_(DataRate::Zero()),
last_process_time_(clock->CurrentTime()),
last_send_time_(last_process_time_),
- packet_queue_(last_process_time_, field_trials_),
+ packet_queue_(last_process_time_),
packet_counter_(0),
congestion_window_size_(DataSize::PlusInfinity()),
outstanding_data_(DataSize::Zero()),
@@ -142,7 +140,7 @@
}
FieldTrialParameter<int> min_packet_limit_ms("", min_packet_limit_.ms());
ParseFieldTrial({&min_packet_limit_ms},
- field_trials_->Lookup("WebRTC-Pacer-MinPacketLimitMs"));
+ field_trials_.Lookup("WebRTC-Pacer-MinPacketLimitMs"));
min_packet_limit_ = TimeDelta::Millis(min_packet_limit_ms.Get());
UpdateBudgetWithElapsedTime(min_packet_limit_);
}
diff --git a/modules/pacing/pacing_controller.h b/modules/pacing/pacing_controller.h
index 5d6d26b..f7c5601 100644
--- a/modules/pacing/pacing_controller.h
+++ b/modules/pacing/pacing_controller.h
@@ -82,7 +82,7 @@
PacingController(Clock* clock,
PacketSender* packet_sender,
RtcEventLog* event_log,
- const WebRtcKeyValueConfig* field_trials,
+ const WebRtcKeyValueConfig& field_trials,
ProcessMode mode);
~PacingController();
@@ -176,8 +176,7 @@
const ProcessMode mode_;
Clock* const clock_;
PacketSender* const packet_sender_;
- const std::unique_ptr<FieldTrialBasedConfig> fallback_field_trials_;
- const WebRtcKeyValueConfig* field_trials_;
+ const WebRtcKeyValueConfig& field_trials_;
const bool drain_large_queues_;
const bool send_padding_if_silent_;
diff --git a/modules/pacing/pacing_controller_unittest.cc b/modules/pacing/pacing_controller_unittest.cc
index a24960d..af2ce54 100644
--- a/modules/pacing/pacing_controller_unittest.cc
+++ b/modules/pacing/pacing_controller_unittest.cc
@@ -21,7 +21,6 @@
#include "modules/pacing/packet_router.h"
#include "system_wrappers/include/clock.h"
#include "test/explicit_key_value_config.h"
-#include "test/field_trial.h"
#include "test/gmock.h"
#include "test/gtest.h"
@@ -209,13 +208,13 @@
class PacingControllerTest
: public ::testing::TestWithParam<PacingController::ProcessMode> {
protected:
- PacingControllerTest() : clock_(123456) {}
+ PacingControllerTest() : clock_(123456), trials_("") {}
void SetUp() override {
srand(0);
// Need to initialize PacingController after we initialize clock.
pacer_ = std::make_unique<PacingController>(&clock_, &callback_, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
Init();
}
@@ -320,6 +319,7 @@
SimulatedClock clock_;
::testing::NiceMock<MockPacingControllerCallback> callback_;
+ ExplicitKeyValueConfig trials_;
std::unique_ptr<PacingController> pacer_;
};
@@ -364,7 +364,8 @@
};
TEST_P(PacingControllerFieldTrialTest, DefaultNoPaddingInSilence) {
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ const test::ExplicitKeyValueConfig trials("");
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
pacer.SetPacingRates(kTargetRate, DataRate::Zero());
// Video packet to reset last send time and provide padding data.
InsertPacket(&pacer, &video);
@@ -378,8 +379,9 @@
}
TEST_P(PacingControllerFieldTrialTest, PaddingInSilenceWithTrial) {
- ScopedFieldTrials trial("WebRTC-Pacer-PadInSilence/Enabled/");
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ const test::ExplicitKeyValueConfig trials(
+ "WebRTC-Pacer-PadInSilence/Enabled/");
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
pacer.SetPacingRates(kTargetRate, DataRate::Zero());
// Video packet to reset last send time and provide padding data.
InsertPacket(&pacer, &video);
@@ -393,9 +395,9 @@
}
TEST_P(PacingControllerFieldTrialTest, CongestionWindowAffectsAudioInTrial) {
- ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Enabled/");
+ const test::ExplicitKeyValueConfig trials("WebRTC-Pacer-BlockAudio/Enabled/");
EXPECT_CALL(callback_, SendPadding).Times(0);
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
pacer.SetPacingRates(DataRate::KilobitsPerSec(10000), DataRate::Zero());
pacer.SetCongestionWindow(DataSize::Bytes(video.packet_size - 100));
pacer.UpdateOutstandingData(DataSize::Zero());
@@ -422,7 +424,8 @@
TEST_P(PacingControllerFieldTrialTest,
DefaultCongestionWindowDoesNotAffectAudio) {
EXPECT_CALL(callback_, SendPadding).Times(0);
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ const test::ExplicitKeyValueConfig trials("");
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
pacer.SetPacingRates(DataRate::BitsPerSec(10000000), DataRate::Zero());
pacer.SetCongestionWindow(DataSize::Bytes(800));
pacer.UpdateOutstandingData(DataSize::Zero());
@@ -437,8 +440,8 @@
}
TEST_P(PacingControllerFieldTrialTest, BudgetAffectsAudioInTrial) {
- ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Enabled/");
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ ExplicitKeyValueConfig trials("WebRTC-Pacer-BlockAudio/Enabled/");
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
DataRate pacing_rate = DataRate::BitsPerSec(video.packet_size / 3 * 8 *
kProcessIntervalsPerSecond);
pacer.SetPacingRates(pacing_rate, DataRate::Zero());
@@ -468,7 +471,8 @@
TEST_P(PacingControllerFieldTrialTest, DefaultBudgetDoesNotAffectAudio) {
EXPECT_CALL(callback_, SendPadding).Times(0);
- PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
+ const test::ExplicitKeyValueConfig trials("");
+ PacingController pacer(&clock_, &callback_, nullptr, trials, GetParam());
pacer.SetPacingRates(DataRate::BitsPerSec(video.packet_size / 3 * 8 *
kProcessIntervalsPerSecond),
DataRate::Zero());
@@ -867,7 +871,7 @@
const TimeDelta kAveragingWindowLength = TimeDelta::Seconds(10);
PacingControllerPadding callback;
pacer_ = std::make_unique<PacingController>(&clock_, &callback, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->SetProbingEnabled(false);
pacer_->SetPacingRates(kTargetRate * kPaceMultiplier, kTargetRate);
@@ -1304,7 +1308,7 @@
TEST_P(PacingControllerTest, InactiveFromStart) {
// Recreate the pacer without the inital time forwarding.
pacer_ = std::make_unique<PacingController>(&clock_, &callback_, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->SetProbingEnabled(false);
pacer_->SetPacingRates(kTargetRate * kPaceMultiplier, kTargetRate);
@@ -1403,7 +1407,7 @@
PacingControllerProbing packet_sender;
pacer_ = std::make_unique<PacingController>(&clock_, &packet_sender, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->CreateProbeCluster(kFirstClusterRate,
/*cluster_id=*/0);
pacer_->CreateProbeCluster(kSecondClusterRate,
@@ -1463,7 +1467,7 @@
: "WebRTC-Bwe-ProbingBehavior/"
"abort_delayed_probes:0,max_probe_delay:2ms/");
pacer_ = std::make_unique<PacingController>(&clock_, &packet_sender,
- nullptr, &trials, GetParam());
+ nullptr, trials, GetParam());
pacer_->SetPacingRates(
DataRate::BitsPerSec(kInitialBitrateBps * kPaceMultiplier),
DataRate::BitsPerSec(kInitialBitrateBps));
@@ -1570,7 +1574,7 @@
PacingControllerProbing packet_sender;
pacer_ = std::make_unique<PacingController>(&clock_, &packet_sender, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->CreateProbeCluster(kFirstClusterRate,
/*cluster_id=*/0);
pacer_->SetPacingRates(
@@ -1636,7 +1640,7 @@
MockPacketSender callback;
pacer_ = std::make_unique<PacingController>(&clock_, &callback, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
Init();
uint32_t ssrc = 12346;
@@ -1693,7 +1697,7 @@
TEST_P(PacingControllerTest, OwnedPacketPrioritizedOnType) {
MockPacketSender callback;
pacer_ = std::make_unique<PacingController>(&clock_, &callback, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
Init();
// Insert a packet of each type, from low to high priority. Since priority
@@ -1740,7 +1744,7 @@
TEST_P(PacingControllerTest, SmallFirstProbePacket) {
MockPacketSender callback;
pacer_ = std::make_unique<PacingController>(&clock_, &callback, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->CreateProbeCluster(kFirstClusterRate, /*cluster_id=*/0);
pacer_->SetPacingRates(kTargetRate * kPaceMultiplier, DataRate::Zero());
@@ -1899,7 +1903,7 @@
MockPacketSender callback;
EXPECT_CALL(callback, SendPacket).Times(::testing::AnyNumber());
pacer_ = std::make_unique<PacingController>(&clock_, &callback, nullptr,
- nullptr, GetParam());
+ trials_, GetParam());
pacer_->SetAccountForAudioPackets(account_for_audio);
// First, saturate the padding budget.
@@ -2073,9 +2077,13 @@
// Re-init pacer with an explicitly set padding target of 10ms;
const TimeDelta kPaddingTarget = TimeDelta::Millis(10);
- ScopedFieldTrials field_trials(
+ ExplicitKeyValueConfig field_trials(
"WebRTC-Pacer-DynamicPaddingTarget/timedelta:10ms/");
- SetUp();
+ srand(0);
+ // Need to initialize PacingController after we initialize clock.
+ pacer_ = std::make_unique<PacingController>(&clock_, &callback_, nullptr,
+ field_trials, GetParam());
+ Init();
const uint32_t kSsrc = 12345;
const DataRate kPacingDataRate = DataRate::KilobitsPerSec(125);
diff --git a/modules/pacing/round_robin_packet_queue.cc b/modules/pacing/round_robin_packet_queue.cc
index ef37e52..9014c30 100644
--- a/modules/pacing/round_robin_packet_queue.cc
+++ b/modules/pacing/round_robin_packet_queue.cc
@@ -107,16 +107,7 @@
RoundRobinPacketQueue::Stream::Stream(const Stream& stream) = default;
RoundRobinPacketQueue::Stream::~Stream() = default;
-bool IsEnabled(const WebRtcKeyValueConfig* field_trials, const char* name) {
- if (!field_trials) {
- return false;
- }
- return absl::StartsWith(field_trials->Lookup(name), "Enabled");
-}
-
-RoundRobinPacketQueue::RoundRobinPacketQueue(
- Timestamp start_time,
- const WebRtcKeyValueConfig* field_trials)
+RoundRobinPacketQueue::RoundRobinPacketQueue(Timestamp start_time)
: transport_overhead_per_packet_(DataSize::Zero()),
time_last_updated_(start_time),
paused_(false),
diff --git a/modules/pacing/round_robin_packet_queue.h b/modules/pacing/round_robin_packet_queue.h
index dd35b90..f825583 100644
--- a/modules/pacing/round_robin_packet_queue.h
+++ b/modules/pacing/round_robin_packet_queue.h
@@ -22,7 +22,6 @@
#include <unordered_map>
#include "absl/types/optional.h"
-#include "api/transport/webrtc_key_value_config.h"
#include "api/units/data_size.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
@@ -34,8 +33,7 @@
class RoundRobinPacketQueue {
public:
- RoundRobinPacketQueue(Timestamp start_time,
- const WebRtcKeyValueConfig* field_trials);
+ explicit RoundRobinPacketQueue(Timestamp start_time);
~RoundRobinPacketQueue();
void Push(int priority,
diff --git a/modules/pacing/task_queue_paced_sender.cc b/modules/pacing/task_queue_paced_sender.cc
index c392a88..620a541 100644
--- a/modules/pacing/task_queue_paced_sender.cc
+++ b/modules/pacing/task_queue_paced_sender.cc
@@ -29,6 +29,22 @@
TaskQueueFactory* task_queue_factory,
TimeDelta max_hold_back_window,
int max_hold_back_window_in_packets)
+ : TaskQueuePacedSender(clock,
+ packet_sender,
+ event_log,
+ *field_trials,
+ task_queue_factory,
+ max_hold_back_window,
+ max_hold_back_window_in_packets) {}
+
+TaskQueuePacedSender::TaskQueuePacedSender(
+ Clock* clock,
+ PacingController::PacketSender* packet_sender,
+ RtcEventLog* event_log,
+ const WebRtcKeyValueConfig& field_trials,
+ TaskQueueFactory* task_queue_factory,
+ TimeDelta max_hold_back_window,
+ int max_hold_back_window_in_packets)
: clock_(clock),
max_hold_back_window_(max_hold_back_window),
max_hold_back_window_in_packets_(max_hold_back_window_in_packets),
diff --git a/modules/pacing/task_queue_paced_sender.h b/modules/pacing/task_queue_paced_sender.h
index 353f137..61a6255 100644
--- a/modules/pacing/task_queue_paced_sender.h
+++ b/modules/pacing/task_queue_paced_sender.h
@@ -19,6 +19,7 @@
#include <queue>
#include <vector>
+#include "absl/base/attributes.h"
#include "absl/types/optional.h"
#include "api/sequence_checker.h"
#include "api/task_queue/task_queue_factory.h"
@@ -39,6 +40,16 @@
class TaskQueuePacedSender : public RtpPacketPacer, public RtpPacketSender {
public:
+ ABSL_DEPRECATED("Use the version with field_trials reference instead.")
+ TaskQueuePacedSender(
+ Clock* clock,
+ PacingController::PacketSender* packet_sender,
+ RtcEventLog* event_log,
+ const WebRtcKeyValueConfig* field_trials,
+ TaskQueueFactory* task_queue_factory,
+ TimeDelta max_hold_back_window = PacingController::kMinSleepTime,
+ int max_hold_back_window_in_packets = -1);
+
// The `hold_back_window` parameter sets a lower bound on time to sleep if
// there is currently a pacer queue and packets can't immediately be
// processed. Increasing this reduces thread wakeups at the expense of higher
@@ -48,7 +59,7 @@
Clock* clock,
PacingController::PacketSender* packet_sender,
RtcEventLog* event_log,
- const WebRtcKeyValueConfig* field_trials,
+ const WebRtcKeyValueConfig& field_trials,
TaskQueueFactory* task_queue_factory,
TimeDelta max_hold_back_window = PacingController::kMinSleepTime,
int max_hold_back_window_in_packets = -1);
diff --git a/modules/pacing/task_queue_paced_sender_unittest.cc b/modules/pacing/task_queue_paced_sender_unittest.cc
index d78365d..a22ff6d 100644
--- a/modules/pacing/task_queue_paced_sender_unittest.cc
+++ b/modules/pacing/task_queue_paced_sender_unittest.cc
@@ -20,9 +20,9 @@
#include "api/transport/network_types.h"
#include "modules/pacing/packet_router.h"
#include "modules/utility/include/mock/mock_process_thread.h"
-#include "test/field_trial.h"
#include "test/gmock.h"
#include "test/gtest.h"
+#include "test/scoped_key_value_config.h"
#include "test/time_controller/simulated_time_controller.h"
using ::testing::_;
@@ -116,10 +116,10 @@
TEST(TaskQueuePacedSenderTest, PacesPackets) {
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
// Insert a number of packets, covering one second.
@@ -156,10 +156,10 @@
TEST(TaskQueuePacedSenderTest, ReschedulesProcessOnRateChange) {
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
// Insert a number of packets to be sent 200ms apart.
@@ -208,10 +208,10 @@
TEST(TaskQueuePacedSenderTest, SendsAudioImmediately) {
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
const DataRate kPacingDataRate = DataRate::KilobitsPerSec(125);
@@ -241,9 +241,9 @@
const TimeDelta kCoalescingWindow = TimeDelta::Millis(5);
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr,
+ /*event_log=*/nullptr, trials,
time_controller.GetTaskQueueFactory(),
kCoalescingWindow, kNoPacketHoldback);
@@ -278,9 +278,9 @@
const TimeDelta kCoalescingWindow = TimeDelta::Millis(5);
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr,
+ /*event_log=*/nullptr, trials,
time_controller.GetTaskQueueFactory(),
kCoalescingWindow, kNoPacketHoldback);
@@ -307,13 +307,13 @@
}
TEST(TaskQueuePacedSenderTest, SchedulesProbeAtSetTime) {
- ScopedFieldTrials trials("WebRTC-Bwe-ProbingBehavior/min_probe_delta:1ms/");
+ ScopedKeyValueConfig trials(
+ "WebRTC-Bwe-ProbingBehavior/min_probe_delta:1ms/");
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
// Set rates so one packet adds 4ms of buffer level.
@@ -374,13 +374,13 @@
TEST(TaskQueuePacedSenderTest, NoMinSleepTimeWhenProbing) {
// Set min_probe_delta to be less than kMinSleepTime (1ms).
const TimeDelta kMinProbeDelta = TimeDelta::Micros(100);
- ScopedFieldTrials trials("WebRTC-Bwe-ProbingBehavior/min_probe_delta:100us/");
+ ScopedKeyValueConfig trials(
+ "WebRTC-Bwe-ProbingBehavior/min_probe_delta:100us/");
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
// Set rates so one packet adds 4ms of buffer level.
@@ -433,9 +433,9 @@
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr,
+ /*event_log=*/nullptr, trials,
time_controller.GetTaskQueueFactory(),
kFixedCoalescingWindow, kPacketBasedHoldback);
@@ -484,9 +484,9 @@
GlobalSimulatedTimeController time_controller(Timestamp::Millis(1234));
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr,
+ /*event_log=*/nullptr, trials,
time_controller.GetTaskQueueFactory(),
kFixedCoalescingWindow, kPacketBasedHoldback);
@@ -530,10 +530,10 @@
static constexpr Timestamp kStartTime = Timestamp::Millis(1234);
GlobalSimulatedTimeController time_controller(kStartTime);
MockPacketRouter packet_router;
+ ScopedKeyValueConfig trials;
TaskQueuePacedSender pacer(
time_controller.GetClock(), &packet_router,
- /*event_log=*/nullptr,
- /*field_trials=*/nullptr, time_controller.GetTaskQueueFactory(),
+ /*event_log=*/nullptr, trials, time_controller.GetTaskQueueFactory(),
PacingController::kMinSleepTime, kNoPacketHoldback);
// Simulate ~2mbps video stream, covering one second.
diff --git a/rtc_tools/rtc_event_log_visualizer/analyzer.cc b/rtc_tools/rtc_event_log_visualizer/analyzer.cc
index 4c71818..0185c7d 100644
--- a/rtc_tools/rtc_event_log_visualizer/analyzer.cc
+++ b/rtc_tools/rtc_event_log_visualizer/analyzer.cc
@@ -38,8 +38,6 @@
#include "modules/congestion_controller/goog_cc/delay_based_bwe.h"
#include "modules/congestion_controller/include/receive_side_congestion_controller.h"
#include "modules/congestion_controller/rtp/transport_feedback_adapter.h"
-#include "modules/pacing/paced_sender.h"
-#include "modules/pacing/packet_router.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "modules/rtp_rtcp/source/rtcp_packet.h"
#include "modules/rtp_rtcp/source/rtcp_packet/common_header.h"
@@ -1199,8 +1197,6 @@
SimulatedClock clock(0);
BitrateObserver observer;
RtcEventLogNull null_event_log;
- PacketRouter packet_router;
- PacedSender pacer(&clock, &packet_router, &null_event_log);
TransportFeedbackAdapter transport_feedback;
auto factory = GoogCcNetworkControllerFactory();
TimeDelta process_interval = factory.GetProcessInterval();